code: def test_read_indexes(self):
      with rasterio.open("tests/data/RGB.byte.tif") as s:
          a = s.read()  # RGB
          self.assertEqual(a.ndim, 3)
          self.assertEqual(a.shape, (3, 718, 791))
          self.assertEqual(
              a.sum((1, 2)).tolist(), [17008452, 25282412, 27325233]
          )
          # read last index as 2D array
          a = s.read(s.indexes[-1])  # B
          self.assertEqual(a.ndim, 2)
          self.assertEqual(a.shape, (718, 791))
          self.assertEqual(a.sum(), 27325233)
          # read last index as 2D array
          a = s.read(s.indexes[-1:])  # [B]
          self.assertEqual(a.ndim, 3)
          self.assertEqual(a.shape, (1, 718, 791))
          self.assertEqual(a.sum((1, 2)).tolist(), [27325233])
          # out of range indexes
          self.assertRaises(IndexError, s.read, 0)
          self.assertRaises(IndexError, s.read, [3, 4])
          # read slice
          a = s.read(s.indexes[0:2])  # [RG]
          self.assertEqual(a.ndim, 3)
          self.assertEqual(a.shape, (2, 718, 791))
          self.assertEqual(a.sum((1, 2)).tolist(), [17008452, 25282412])
          # read stride
          a = s.read(s.indexes[::2])  # [RB]
          self.assertEqual(a.ndim, 3)
          self.assertEqual(a.shape, (2, 718, 791))
          self.assertEqual(a.sum((1, 2)).tolist(), [17008452, 27325233])
          # read zero-length slice
          try:
              a = s.read(s.indexes[1:1])
          except ValueError:
              pass
  
imports: from hashlib import md5
  import unittest
  import numpy
  import pytest
  import rasterio
  from rasterio.errors import DatasetIOShapeError
label_desc: Use image node_id 8 for calling the ReaderContextTest obj's underlying member method code with example usage: obj.test_read_indexes() without return types